Function: sum(numbers("yxx") if numbers('rrr') > numbers('rrr') else numbers("xxy") if numbers("yxx") > minus(numbers('rrr') if numbers("yxx") > numbers("xxy") else numbers('rrr') if numbers("xxy") > numbers('rrr') else numbers("yxx"), numbers('rrr') if numbers("xxy") > numbers('rrr') else numbers("yxx")) else numbers("yxx") if numbers('rrr') > numbers('rrr') if numbers("yxx") > numbers("xxy") else numbers('rrr') else numbers("xxy"), minus(numbers('rrr') if numbers("xxy") > numbers("yxx") else numbers('rrr') if numbers('rrr') > numbers("xxy") else numbers("yxx"), numbers('rrr') if numbers("xxy") > numbers("yxx") else numbers('rrr')))